Skin treatment apparatus



FIG. 1 is a perspective view of a skin treatment apparatus;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

The broken lines in the drawings are included for the purpose ofillustrating portions of the article that form no part of the claimeddesign.

CLAIM The ornamental design for a skin treatment apparatus, as shown anddescribed.